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Northern Trust stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+37.5% to $172.76
Northern Trust (NTRS) stock rose 37% over the last 252 sessions, to $172.76. On the way it reported 0 quarters, its insiders filed 9 open-market trades and 3 Form 144 notices of planned sales, and the company filed 2 material 8-Ks. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Oct 30, 2026 | Insider buy | Moritz Robert Edward Jr. bought $40K | −2.2% (−0.4% vs SPY) | −0.9% (+3.9% vs SPY) | — |
| Oct 26, 2026 | Form 144 | Form 144: Susan Levy plans to sell $662K | +1.0% (+0.3% vs SPY) | +0.7% (+1.3% vs SPY) | — |
| Oct 26, 2026 | Insider sale | Levy Susan Cohen sold $662K | +1.0% (+0.3% vs SPY) | +0.7% (+1.3% vs SPY) | — |
| Oct 23, 2026 | Form 144 | Form 144: Susan Cohen Levy plans to sell $2.9M | +1.3% (+1.8% vs SPY) | +4.2% (+3.5% vs SPY) | — |
| Oct 23, 2026 | Insider sale | Levy Susan Cohen sold $2.9M | +1.3% (+1.8% vs SPY) | +4.2% (+3.5% vs SPY) | — |
| Oct 20, 2026 | 8-K | Directors and officers: departures, appointments, pay | +0.9% (+0.4% vs SPY) | +2.9% (+2.8% vs SPY) | — |
| Sep 29, 2026 | 8-K | Directors and officers: departures, appointments, pay | −2.1% (−1.9% vs SPY) | −2.0% (−4.0% vs SPY) | −0.6% (−1.6% vs SPY) |
| Aug 24, 2026 | Insider sale | South Thomas A sold $333K | +1.5% (+1.8% vs SPY) | +1.6% (+1.1% vs SPY) | −5.4% (−6.6% vs SPY) |
| Aug 20, 2026 | Form 144 | Form 144: Thomas A South plans to sell $334K | −1.6% (−0.7% vs SPY) | +1.2% (+1.6% vs SPY) | −3.6% (−2.9% vs SPY) |
| Jul 29, 2026 | Insider buy | Moritz Robert Edward Jr. bought $46K | −1.8% (−0.2% vs SPY) | +0.9% (−3.2% vs SPY) | +3.7% (+0.3% vs SPY) |
| Jun 3, 2026 | Insider sale | Hallinan Aengus sold $614K | −0.8% (−0.1% vs SPY) | +1.0% (+3.9% vs SPY) | +4.4% (+6.1% vs SPY) |
| May 1, 2026 | Insider buy | Moritz Robert Edward Jr. bought $37K | −1.1% (−1.4% vs SPY) | −3.9% (−5.6% vs SPY) | +1.2% (−4.2% vs SPY) |
| Apr 28, 2026 | Insider sale | Fox David W Jr sold $3.3M | −0.5% (0.0% vs SPY) | −4.0% (−4.4% vs SPY) | +0.1% (−4.7% vs SPY) |
| Apr 24, 2026 | Insider sale | Bellows Clive sold $462K | −0.8% (−1.6% vs SPY) | +0.6% (−0.8% vs SPY) | +1.4% (−3.7% vs SPY) |
Insiders’ record here
In the year on the chart, Northern Trust's insiders reported 3 open-market buys ($123K) and 6 sales ($8.2M). Of the 5 old enough to score, 1 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was +5.6% and after a sale +7.8%.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Northern Trust: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.